WSZA21 FAOR 190144 FAJO SIGMET H01 VALID 190200/190600 FAOR- FAJO JOHANNESBURG OCEANIC FIR SEV TURB FCST WI S3732 E02311 - S3907 E02618 - S4120 E02730 - S4105 E01440 - S3734 E01523 FL340/390=